Traditional Culture Encyclopedia - Hotel franchise - Matters needing attention in raising koi fish

Matters needing attention in raising koi fish

Koi fish is a very old species of ornamental fish in China. It originated in China and became more popular when it was introduced to Japan. It is regarded as? Noble fish? , is the decoration of the Japanese imperial palace nobles. It has bright colors, diverse patterns, vigorous swimming posture and long life, and is very valuable for breeding and viewing. Koi fish is beautiful, representing auspiciousness and luck, so it is favored by many fish lovers. Its requirements for water quality, water temperature and food are not too high, so it is very suitable for family farming. Many hotels, clubs and scenic spots use fish ponds for farming. So what should we pay attention to when raising koi fish? Let's talk about it below.

Requirements for containers and water quality: Although koi fish is relatively easy to maintain, there are still some places to pay attention to if you want to keep healthy and beautiful. First of all, the containers needed to raise koi fish must be relatively large, because koi fish is usually relatively large, and too little space will affect their normal activities, which is not good for their growth and body shape. In addition, the culture density must be controlled. Too high density, high oxygen consumption, and a lot of excrement are not good for fish and water, and the requirements for oxygen-increasing devices in culture containers will be higher. They can be used in environments with low water quality requirements, weak alkalinity and not too hard water quality.

Family rearing can use aquariums, small fish ponds or porcelain pots. Different angles of view, different containers and different feeding requirements. Aquarium has a complete set of filtration and oxygenation equipment, which can form a complete circulation system and is conducive to maintaining water quality. But be careful not to put too many decorations and plant aquatic plants in the tank. It is best to raise them in the bare tank, because they are usually very strong and like to dig the bottom sand, and it is easy to make the tank messy and hurt themselves. If you use small fish ponds or porcelain pots to feed, you should pay attention to the water quality, change the water frequently, and be sure to equip with oxygen-increasing equipment and pay attention to water level control, otherwise koi fish, who is lively and loves to jump, will lose more than gain.

Requirements for water temperature koi fish has strong adaptability to the environment, but the requirements for water quality, including water temperature, are not particularly high. They can usually withstand temperatures below 10 degrees, but this does not mean that they can be placed directly in cold water, because the sudden drop in temperature will make them unable to eat or move, and they may die easily. Therefore, we should pay attention to keep the water temperature stable, and it is easy for them to get sick when it rises and falls. The water temperature is generally 20 to 25 degrees, which is most suitable for them. They will show exuberant vitality, healthy and lively state and good appetite.

Feeding Requirements koi fish is an omnivorous fish, and likes to eat compound feed, fish worms, shrimps, clams, plants and aquatic plants. Generally, feed twice a day, and increase or decrease the feeding amount and adjust the feeding varieties according to the needs of different seasons. You can feed more plant feed in spring, which is helpful for digestion and absorption. In autumn, you can add some meat foods with high content in protein, such as earthworms or mussels, silkworm chrysalis and so on. , mainly to promote fat growth and ensure winter.

The above introduces the matters needing attention in raising koi fish, hoping to help friends who like fish farming.